Home / 2,385.11-3,291.27-1,336.97

Finding the Fourth Proportional to 2,385.11, 3,291.27 and 1,336.97

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Solution

The fourth proportional to 2,385.11, 3,291.27 and 1,336.97 is: 1,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.11 : 3,291.27 = 1,336.97 : x
  2. Step 2: Convert to fraction form
    2,385.11/3,291.27 = 1,336.97/x
  3. Step 3: Cross multiply
    2,385.11x = 3,291.27 × 1,336.97
  4. Step 4: Simplify right side
    2,385.11x = 4,400,337.48
  5. Step 5: Solve for x
    x = 4,400,337.48/2,385.11
  6. Step 6: Final answer
    x = 1,844.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.